A call of xchg_single will issue the transfer of 24 data bits with a given
maximum frequency. Since there exist some i.MX based boards with
spi-max-frequency = <100000>, change the xchg_single timeout to still
support those boards.
Fixes: 1439cdf7c6fc ("spi: imx: add timeout to xchg_single")
Signed-off-by: Alexander Kurz <ak...@blala.de>
---
drivers/spi/imx_spi.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c
index 7819879..0827de7 100644
--- a/drivers/spi/imx_spi.c
+++ b/drivers/spi/imx_spi.c
@@ -32,8 +32,11 @@
#include <linux/err.h>
#include <clock.h>
-/* time to wait for STAT_RR getting set */
-#define IMX_SPI_RR_TIMEOUT 10000 /* ns */
+/*
+ * time to wait for STAT_RR getting set, should allow the transfer
+ * of 24 bits at spi-max-frequency of 100kHz
+ */
+#define IMX_SPI_RR_TIMEOUT 250000 /* ns */
struct imx_spi {
struct spi_master master;
--
2.1.4
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